#include <cstdio>
#include <vector>
#include <iostream>
#include <bits/stdc++.h>

using namespace std;

int main() {
	int a, b, c, sum, x;
	vector<int> v;
	scanf("%d %d %d", &a, &b, &c);
	sum = a + b + c, x = a * b * c;
	float avg = sum / 3.0;
	printf("%d %d %.2f", sum, x, avg);
	system("pause");
	return 0;
}
